13 results
Atrial septal defect

An ECG may show the “crochetage” pattern (92% specific)—a notch near the apex of
Atrial septal defect ... An ECG may show ... larger shunt #ECG ... #EKG #Cardiology ... #Crochetage #Sign
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... on ECG (at therapeutic ... Electrocardiogram #EKG ... #Cardiology #Digitalis ... #ECG
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... EKG findings: Sinus ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg ... cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... and ventricles contract ... EKG of the same ... excludes other differentials ... PhysicalExam #JVP #Cardiology
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
is a modified ECG ... waves when atrial ... standard 12 lead ECG ... Lead I on the ECG ... #Cardiology #EKG
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
Approach to ECGs ... - Brugada's sign ... This is in contrast ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... Equivalents / Don't Miss Signs ... #Ischemia #ECG ... #EKG #diagnosis ... Interpretation #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... #Equivalents #ECG ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... STE: "Pardee's sign ... (Eiffel Tower sign ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Atrium - Differential ... Small secundum ASD ... #Atrium #RA #Differential ... #Diagnosis #cardiology ... echocardiogram #s4c